CHLUMIUV® UV-329 / UV Absorber UV-329 CAS 3147-75-9

Product name: UV Absorber UV-329

Cas No.: 3147-75-9

Chemical Name:2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol

Synonym:Eversorb 72;CHISORB 5411;Milestab 329;THASORB UV-329Uv absorber UV-329 Cas No 3147-75-9 manufacturer –

MF: C20H25N3O

Purity: ≥99%(HPLC)

Description

UV-329 / UV Absorber UV-329 CAS 3147-75-9

Appearance White crystalline powder
Content ≥99%(HPLC)
Melting point 103-105.3℃
Ash ≤0.1%
Volatile ≤0.5%
Transmittance 440nm≥97%,500nm≥98%

UV-329 Application:

1. This product is an excellent anti-aging agent for colleges and universities, which can effectively absorb 270-380nm ultraviolet light.

2. Non-flammable, non-explosive, non-toxic, safe and harmless to use.

3. This product hardly absorbs visible light, and is especially suitable for colorless, transparent and light-colored products.

4. This product is suitable for polyester, rigid polyvinyl chloride, polystyrene, polymethyl methacrylate, polycarbonate, ABS resin, etc. Especially effective in transparent products and high-temperature processed engineering plastics. This product can be used for polyolefins.

lcsorb® UV-329 is an excellent anti-aging agent for colleges and universities, which can effectively absorb 270-380nm ultraviolet light.

1. Non-flammable, non-explosive, non-toxic, safe and harmless to use.

2. This product hardly absorbs visible light, and is especially suitable for colorless, transparent and light-colored products.

3. This product is suitable for polyester, rigid polyvinyl chloride, polystyrene, polymethyl methacrylate, polycarbonate, ABS resin, etc. Especially effective in transparent products and high-temperature processed engineering plastics. This product can be used for polyolefins.

Storage:
Being kept in dry, clean warehouse with well ventilation.
Avoid exposing to light and heating for prevention of oxidation.
Protecting the product from leakage, rain and insolation during transportation.

Contact Us Now!

If you need COA, MSDS or TDS of UV Absorber, please fill in your contact information in the form below, we will usually contact you within 24 hours. You could also email me info@changhongchemical.com during working hours ( 8:30 am to 6:00 pm UTC+8 Mon.~Sat. ) or use the website live chat to get prompt reply.

UV-329 Application scenarios

1. Polyolefin Products:

Suitable for polyethylene (PE), polypropylene (PP), etc., and can be used in films, pipes, injection molded parts, etc., preventing aging, discoloration, and embrittlement caused by ultraviolet light.

2. Engineering Plastics:

Shows significant effects in polycarbonate (PC), ABS resin, polystyrene (PS), polymethyl methacrylate (PMMA), rigid polyvinyl chloride (PVC), etc., especially suitable for transparent products and
engineering plastics processed at high temperatures, maintaining the stability of the product’s appearance and physical properties.

3. Polyesters and Unsaturated Polyesters:

Used in polyester resins, unsaturated polyesters, etc., to improve their weather resistance in outdoor environments, suitable for fiberglass products, resin crafts, etc.

4. Coatings and Inks:

Added to exterior wall coatings, automotive coatings, outdoor billboard inks, etc., to improve the weather resistance and gloss retention of the coating, preventing powdering, peeling, and fading.

5. Synthetic Fibers:

Applied to synthetic fibers such as polyester fibers and polypropylene fibers, improving the UV resistance of textiles and extending the service life of textiles.

6. Adhesives:

Used in various adhesives to enhance their stability in outdoor environments, preventing reduced bonding strength and aging caused by UV irradiation.

7. Food Packaging Materials:

Can be used in plastic containers, food packaging boxes, and other food-contact plastic packaging, providing excellent light stabilization effects and ensuring the quality of food inside the packaging.

8. Rubber Products:

Used in rubber products such as tires and rubber seals, enhancing their resistance to UV and ozone aging, and extending the service life of rubber products.

9. Optical and Electronic Materials:

Suitable for resin lenses, optical films, electronic component packaging materials, etc., protecting materials from UV damage and maintaining their optical and electrical properties.

10. Other Resin Products:

Can also be used in epoxy resins, ethylene-vinyl acetate copolymers (EVA), and other resin products, improving the weather resistance and light stability of these materials.

🕒 Request a Quote / Get Price

Fill in the form below — our team responds within 24 hours.

Contact US

English